Rule 34 Dev - 2021 2boys anal anal_sex anthro balls canid canine canis cigarette clothed domestic_dog duo erection gay genitals german_shepherd herding_dog hi_res hittoga male male/male male_only male_penetrated male_penetrating male_penetrating_male mammal muscular muscular_male partially_clothed pastoral_dog penetration penis sex vein yaoi|4998220936